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Ko te tukanga o te hanga Longitudinal Submerged-arc Welded(LSAW) Pipe e whai ake nei:
Te tirotiro i te pereti ultrasonic → te mira tapa → te piko o mua → te hanga → Te mahi o mua → Te raima o roto → Te whakapiri o waho → Te tirotiro i te Ultrasonic → Te tirotiro X-ray → Te whakawhānui → te whakamatautau waipēhi →l.Chamfering → Tirotiro ultrasonic → tirotiro X-ray → tirotiro matūriki autō i te pito ngongo
Hangaia: LSAW(JCOE) Paipa maitai
Rahi : OD: 406~1500mm WT: 6~40mm
Kōeke: CB60,CB65, CC60,CC65, etc.
Te roa: 12M ranei te roa kua tohua ina hiahiatia.
Whakamutunga: Whakamutunga Maama, Whakamutunga Beveled, Roopu ;
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Nga whakaritenga matūmo ASTM A672 B60/B70/C60/C65/C70LSAWPaipa Waro maitai | |||||||||||||
Paipa | Kōeke | Tito, % | |||||||||||
C mōrahi | Mn | P mōrahi | S mōrahi | Si | Ko etahi atu | ||||||||
<=1in (25mm) | >1~2in (25~50mm) | >2~4in(50-100mm) | >4~8in (100~200mm) | >8in (200mm) | <=1/2in (12.5mm) | >1/2in (12.5mm) | |||||||
CB | 60 | 0.24 | 0.21 | 0.29 | 0.31 | 0.31 | 0.98max | 0.035 | 0.035 | 0.13–0.45 | ... | ||
65 | 0.28 | 0.31 | 0.33 | 0.33 | 0.33 | 0.98max | 0.035 | 0.035 | 0.13–0.45 | ... | |||
70 | 0.31 | 0.33 | 0.35 | 0.35 | 0.35 | 1.30max | 0.035 | 0.035 | 0.13–0.45 | ... | |||
CC | 60 | 0.21 | 0.23 | 0.25 | 0.27 | 0.27 | 0.55–0.98 | 0.79–1.30 | 0.035 | 0.035 | 0.13–0.45 | ... | |
65 | 0.24 | 0.26 | 0.28 | 0.29 | 0.29 | 0.79–1.30 | 0.79–1.30 | 0.035 | 0.035 | 0.13–0.45 | ... | ||
70 | 0.27 | 0.28 | 0.30 | 0.31 | 0.31 | 0.79–1.30 | 0.79–1.30 | 0.035 | 0.035 | 0.13–0.45 | ... |
Nga Taonga Miihini | |||||
Kōeke | |||||
| CB65 | CB70 | CC60 | CC65 | CC70 |
Te kaha matara, min: | |||||
ksi | 65 | 70 | 60 | 65 | 70 |
Mpa | 450 | 485 | 415 | 450 | 485 |
Te kaha tuku, min: | |||||
ksi | 35 | 38 | 32 | 35 | 38 |
MPa | 240 | 260 | 220 | 240 | 260 |
1. Te Diameter o waho-I runga i te inenga porowhita ±0.5% o te diameter o waho kua tohua.
2.-O-o-te-Roundness-Rerekētanga i waenga i nga diameter nui me te iti o waho.
3. Tirohanga-Whakamahia te 10 ft (3m) arai tika kia piri nga pito e rua ki te paipa, 1/8 inihi (3mm).
4. Matotoru-Ko te iti rawa o te matotoru o te pakitara i tetahi waahi o te paipa kaua e neke ake i te 0.01 inihi (0.3mm) i raro i te matotoru ingoa kua tohua.
5. Ko nga roa me nga pito kore miihini me uru ki roto -0+1/2 inihi (-0+13mm) o tera kua tohua.Ko nga roa me nga pito miihini ka rite ki te whakaaetanga i waenga i te kaihanga me te kaihoko.
Te Whakamatau Whakamatau—Ka tutuki nga ahuatanga o te taarua whakawhiti o te hononga paiherea ki nga whakaritenga iti mo te tino kaha o te pereti kua tohua.
Whakamatau-a-arahi-Weld-piko - Ka whakaaetia te whakamatautau piko ki te kore he kapiti me etahi atu hapa e neke ake i te 1/8 inihi (3mm) ahakoa he aha kei roto i te whakarewa whakarewa, i waenga ranei i te whakarewa me te whakarewa turanga i muri i te piko.
Whakamātautau Whakairoiro-whakairoiro-Ko te roa o ia wea o te karaehe X1 me X2 ka tirotirohia ma te reo irirangi i runga i nga whakaritenga o te Waehere Paera ASME me te Waehe Pehe, Wāhanga tuawhitu, kōwae UW-51.
Te ingoa o te Kaihanga, tohu ranei
Tau whakakitenga(tau-ra, e hiahiatia ana ranei)
Rahi( OD, WT, roa)
Kōeke( A, B ranei)
Momo paipa( F, E, S ranei)
Te pehanga whakamatautau ( putorino maitai kore noa)
Tau wera
Tetahi atu korero kua tohua i roto i te ota hoko.
Rahi (waewae, mita, te maha ranei o te roa)
Ingoa o te rauemi( putorino maitai, whakakotahitanga hiko paiherea)
Tau whakakitenga
Nga tohu tohu me te karaehe
Rahi (te whanui o waho, o roto ranei, te matotoru o te pakitara noa, iti rawa ranei)
Te roa (motuhake, matapōkere rānei)
Whakamutua
Kōwhiringa hoko
Nga whakaritenga taapiri, mena he.
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ASTM A252 GR.3 Hanganga LSAW(JCOE) Paipa Wao maitai
BS EN10210 S275J0H LSAW(JCOE) Paipa maitai
ASTM A671/A671M LSAW Steel Pipe
ASTM A672 B60/B70/C60/C65/C70 LSAW Waro maitai Paipa
API 5L X65 PSL1/PSL 2 LSAW Carbon Steel Paipa / API 5L Kōeke X70 LSAW Paipa maitai
EN10219 S355J0H Hanganga LSAW(JCOE) Paipa maitai